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GASES
 
The following tests are made:

Parameter
Product
ASTM/EN Method
Units
Methane
Natural Gas and/or Biogas
ASTM D-1945
%vol
Ethane
ASTM D-1945
%vol
Propane
ASTM D-1945
%vol
n-Butane
ASTM D-1945
%vol
i-Butane
ASTM D-1945
%vol
n-Pentane
ASTM D-1945
%vol
i-Pentane
ASTM D-1945
%vol
C6 +
ASTM D-1945
%vol
Oxygen
C.G./TCD
%vol
Nitrogen
C.G./TCD
%vol
Hydrogen
C.G./TCD
%vol
Carbonic Anhydridre (CO2 )
C.G./TCD
%vol
Carbon monoxide (CO)
C.G./TCD
%vol
Constants at 15ºC
Methane _Nº 
Estimation
-
Real gas Density 
ISO 6976/95
kg/m 3
Gross Calorific Value 
ISO 6976/95
kg/m 3
Net Calorific Value 
ISO 6976/95
kg/m 3
Wobbe Index 
ISO 6976/95 
kcal/m3
Other  testing analisis       
Ammonia (NH3 ) NG and/o Biogas Indicator Tubes  ppm Vol.
Sulfhydric (SH2 ) NG and/o Biogas  ASTM D-4810 ppm Vol.
Mercaptane Sulphur  NG and/o Biogas ASTM D-1988 ppm Vol.
Absolut Humidity  NG and/o Biogas  ASTM D-1142 mg/l
Bencene NG and/o Biogas  Indicator Tubes  ppm Vol.
NO 2 NG and/o Biogas  Indicator Tubes  ppm Vol.
Sulphur NG and/o Biogas

ASTM D-5453

 mg/l
Nitrous Oxides (N2O/NO/NO2 ) NG and/o Biogas Indicator Tubes  ppm Vol.
::: BTC :::
Further information
 
Soporte: Sarenet
SEDE SOCIAL
Alameda Recalde 27, 5º - 48009 Bilbao
Teléfono: 94 435 44 60 Fax: 944 354 466
LABORATORIO
Nave nº 46 – 48500 Gallarta (Bizkaia)
Teléfono: 946 361 730 Fax: 946 361 880